just a few weeks on from Clayton's triumph in the World Grand Prix final. 3 stripes day sale is yet to be definitively ruled out of England's opening match of their autumn schedule, in the hope his sample may have been a false positive. 3 stripes day sale Scotland's Henderson will make his debut at the event which is taking place at AFAS Live in Amsterdam from October 29-31. 3 stripes day sale World Grand Prix semi-finalist Noppert is joined by 2020 World Grand Prix runner-up Dirk van Duijvenbode, four-time PDC ranking event winner Vincent van der Voort and former World Matchplay semi-finalist Jeffrey de Zwaan as the four Dutch invited players. 3 stripes day sale